1 2 3 1 _ _ _ 2 _ _ _ 3 _ _ _ ACROSS 1) a city in the european part of russia 2) a soft greasy substance occurring in organic tissue and consisting of a mixture of lipids (mostly triglycerides) 3) a doctor's degree in optometry DOWN 1) an (apparently) flying object whose nature is unknown; especially those considered to have extraterrestrial origins 2) an interest followed with exaggerated zeal 3) a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium ** Scroll down for solution. ** Are you sure you want to peek? ufa fat ods